Ford Performance Parts Super Cobra Jet Cylinder Head - Assembled With Dual Spring

Super Cobra Jet Cylinder Head - Assembled With Dual Spring

• Fits 429 and 460 ci engines (except BOSS 429)
• Valve angles and locations designed to reduce cylinder wall shrouding and improve flow
• Combustion chambers designed to accommodate the centrally located valves
• Production 429 Cobra Jet intake and exhaust manifolds bolt on
• Production Ford 429/460 valve cover bolt pattern 
• M-6582-C460Ford Performance Valve Covers recommended  
• 2.200" intake valve, 1.76" exhaust valve
• Flows approximately 330 CFM intake and 225 CFM exhaust
• 72cc combustion chambers
• 290cc intake runner, 148cc exhaust runner
• Assembled with hydraulic roller valve springs: Closed seat pressure 135# @ 1.850"; Open seat pressure 365# @ 1.250"; Max lift .700"
• Machined 7-degree locks and steel valve spring retainers, premium valve seals
• Uses Motorcraft AGSP series spark plugs
• NOTE: If replacing Ford Performance or production 429 Cobra Jet heads, new intake valve notches are required
• NOTE: Uses Felpro® exhaust gasket part number 1420, and intake gasket part number 1231